diff --git a/.circleci/config.yml b/.circleci/config.yml
index b1643acb0..430826646 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -157,6 +157,7 @@ jobs:
       - checkout
       - attach_workspace:
           at: workspace
+      - run: pyenv global 3.5.2
       - run: ls -laR workspace
       - run: ci_scripts/ci_upload.sh workspace/py-docs workspace/wheelhouse